| Tail Number / N-Number | N171SH |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2007 |
| Manufacturer's Serial Number | 11678 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Corporation |
| Owner Name | NEAL C REDINGTON INC |
| Street | 8587 W COUNCIL HILL RD |
| City | GALENA |
| State | IL |
| Zip Code | 61036-9762 |
| Region | Great Lakes |
| County | Jo Daviess County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 2012-06-07 |
| Certificate Issue Date | 2011-01-03 |
| Last Action Date | 2022-08-19 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50217174 |
| Mode S Code Hex | A11E7C |